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Dr. Mazen Najjar, MD

Dr. Mazen Najjar, MD

Infectious Disease Specialist

Flint, MI

28 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Najjar, Infectious Disease Specialist in Flint, MI?

    Dr. Mazen Najjar, MD is an Infectious Disease Specialist, who primarily practices in Flint, MI with 1 additional practice location. He has been practicing for over 28 years and is board certified. Dr. Najjar graduated from Aleppo University and completed his residency at Seton Hall University Affiliated Hospitals. Dr. Najjar is fluent in English and Arabic, and is currently seeing new patients. Dr. Najjar’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Najjar’s office at (810) 732-3812.

    Where did Dr. Najjar go to medical school and complete their residency?

    • Fellowship: Seton Hall Univ - Infectious Disease | Infectious Disease -- St. Michael's Medical Center

    • Residency: Seton Hall University Affiliated Hospitals | St. Francis Hospital

    • Medical School: Aleppo University | Aleppo University

    Is Dr. Najjar board certified as an Infectious Disease Specialist?

    Yes, Dr. Mazen Najjar, MD is board certified by the American Board of Internal Medicine , American Board of Internal Medicine since 2004, American Board of Internal Medicine since 2006

    What languages does Dr. Najjar speak?

    Dr. Najjar and their clinical team can communicate with patients in the following languages:

    • Arabic
    • English

    What conditions does an Infectious Disease Specialist like Dr. Najjar typically treat?

    As an Infectious Disease Specialist, Dr. Najjar diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Najjar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Cellulitis
    • Cellulitis of Left Lower Limb
    • Bacterial Skin Infection
    • Leg Skin Infection
    • Spreading Skin Infection
    • Left Leg Skin Infection
    • Bacterial Left Leg Infection
    • Spreading Left Leg Infection

    ICD-10 Codes:

    • L03115: Cellulitis of right lower limb
    • L03116: Cellulitis of left lower limb

    Also known as:

    • Other Acute Right Ankle and Foot Bone Infection
    • Bone Infection
    • Acute Right Ankle and Foot Osteomyelitis
    • Sudden Right Ankle and Foot Bone Infection
    • Right Ankle and Foot Bone Inflammation

    ICD-10 Codes:

    • M86171: Other acute osteomyelitis, right ankle and foot

    Also known as:

    • HIV
    • Human Immunodeficiency Virus
    • AIDS virus

    ICD-10 Codes:

    • B20: Human immunodeficiency virus [HIV] disease

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    What procedures does an Infectious Disease Specialist like Dr. Najjar typically perform?

    As an Infectious Disease Specialist, procedures performed by Dr. Mazen Najjar may include:

    Please contact Dr. Najjar's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Najjar accept my insurance?

    Dr. Najjar accepts most major insurance plans. Important: Please call our office at (810) 732-3812 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Najjar accept in Flint, MI?

    Dr. Najjar in Flint, MI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • CVS Health (formerly Aetna)

    • Henry Ford Health System

    • Humana

    • McLaren Health Care

    • Medicare

    • Molina Healthcare

    • Spectrum / Priority Health

    • State of Michigan

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Najjar's office located?

    Dr. Mazen Najjar's Primary Practice

    2342 Stonebridge Dr Bldg H

    Flint, MI 48532

    (810) 732-3812

    Get Directions

    Dr. Mazen Najjar's Practice 2

    4644 Genesys Pkwy

    Grand Blanc, MI 48439

    Get Directions

    What is Dr. Najjar's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Najjar's National Provider Identifier (NPI) number is 1245342393.

    What common questions do patients ask about Dr. Najjar?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Najjar

    What is Dr. Mazen Najjar's specialty?

    Dr. Najjar is an Infectious Disease Specialist near Flint, MI.

    What does an Infectious Disease Specialist do?

    An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

    Is Dr. Mazen Najjar affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Najjar is affiliated with Mclaren Flint, Ascension Genesys Hospital, Corewell Health Farmington Hills Hospital, Corewell Health Dearborn Hospital, Henry Ford Hospital, Bronson Methodist Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see an Infectious Disease Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Infectious Disease Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dr. Mazen Najjar accepting new patients in Flint, MI?

    Yes, Dr. Mazen Najjar is accepting new patients at this time.

    Does Dr. Mazen Najjar offer online booking?

    Please contact Dr. Najjar's office at (810) 732-3812 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Mazen Najjar?

    Please contact Dr. Najjar's office at (810) 732-3812 to schedule an appointment.

    Where is Dr. Najjar's office located?

    Dr. Najjar's offices are located in Flint, MI and Grand Blanc, MI.

    Which board certifications does Dr. Mazen Najjar have?

    Dr. Mazen Najjar is certified by the American Board of Internal Medicine.